1151114412 has 48 divisors (see below), whose sum is σ = 3134960640. Its totient is φ = 321891072.

The previous prime is 1151114383. The next prime is 1151114417. The reversal of 1151114412 is 2144111511.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1151114417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141837 + ... + 149732.

It is an arithmetic number, because the mean of its divisors is an integer number (65311680).

Almost surely, 2^1151114412 is an apocalyptic number.

1151114412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1151114412 is an abundant number, since it is smaller than the sum of its proper divisors (1983846228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1151114412 is a wasteful number, since it uses less digits than its factorization.

1151114412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291630 (or 291628 counting only the distinct ones).

The product of its digits is 160, while the sum is 21.

The square root of 1151114412 is about 33928.0770454207. The cubic root of 1151114412 is about 1048.0278664676.

Adding to 1151114412 its reverse (2144111511), we get a palindrome (3295225923).

The spelling of 1151114412 in words is "one billion, one hundred fifty-one million, one hundred fourteen thousand, four hundred twelve".